U2, extension into station Bad Homburg

Year of completion

In progress

Type of intervention

New construction

Contracting authority

Stadtbahngesellschaft Bad Homburg mbH


Closed tunnel in open construction, partially cut and cover method using bored piles, 3 bridges, supporting walls, stream tunnel, slab track, retention basins


Bad Homburg

Type of structure

Railway tunnel

Construction method

Milan method, cut-and-cover method

Total length

1.650,00 m

Construction width

28,00 m

Construction material

Concrete, masonry, precast concrete, prestressed concrete, reinforced concrete, shotcrete, steel, steel composite

Services Grassl

Basic assessment, preliminary design, detailed design, planning for approval, construction planning, preparation of tendering, construction supervision, consultant services for the client, economic efficiency calculation , feasibility studies, visualisation, project management, building information modelling